.box ul {
  height: 120px;
  border: 1px solid black;
  overflow: hidden;
  width: 200px;
  margin: 0 auto;
  padding: 0 10px;
}
.box ul li {
  width: 100%;
  height: 30px;
  line-height: 30px;
  white-space: no-wrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
